Fiber laser welding machines have very good welding efficiency, and many people buy and use them because of this. But recently, some people find that the power of the purchased fiber laser welding machine has dropped significantly after a period of use, which is also a headache for work efficiency. In fact, any equipment will inevitably have such a situation after long-term use, so what is the reason for the power drop of the fiber laser welding machine? There are four main points!
Welding Speed: The speed of the fiber laser welding machine has a great influence on the power of the laser fiber laser welding machine. The speed of the fiber laser welding machine is proportional to the power of the laser fiber laser welding machine. At the same time, the quality of the fiber laser welding machine is related to the quality of the laser beam and the characteristics of the laser beam focusing system, that is, the size of the laser beam after focusing has a great influence on the laser quality.
Focus length: The distance of the nozzle and the distance between the workpiece and the nozzle will also affect the power of the laser fiber laser welding machine. Too long distance will cause unnecessary waste of kinetic energy, and too short distance will affect the diffusion ability of the spatter fiber laser welding machine product. A suitable distance is 0.8 mm. In addition, the laser fiber laser welding machine can mainly adjust the workpiece with uneven surface, and the height of the nozzle and the workpiece should always be the same during the operation.
Focus position: The focus position will affect the precision of the fiber laser welding machine, especially the focus diameter. The focal spot diameter should be as small as possible to create a narrow slit, and the focal spot diameter is proportional to the focal depth of the focusing lens, and the smaller the focal depth, the smaller the focal spot diameter.
Auxiliary gas: Auxiliary gas and gas pressure will also affect the power of the fiber laser welding machine . If the thickness of the material increases or the speed of the fiber laser welding machine is slow, the gas pressure should be appropriately reduced. Use a low-pressure fiber laser welding machine to Prevent frosting on edge fiber laser welding machines.
original source: https://www.mornlasercnc.com/news/what-is-the-reason-for-the-power-drop-of-the-fiber-laser-welding-machine
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